Re: [PATCH] mfd: cros_ec: remove unused __remove function

From: Lee Jones
Date: Wed Jun 13 2018 - 01:46:11 EST


On Tue, 12 Jun 2018, Gwendal Grignou wrote:

> On Sun, Jun 10, 2018 at 11:08 PM Lee Jones <lee.jones@xxxxxxxxxx> wrote:
> >
> > On Fri, 08 Jun 2018, Benson Leung wrote:
> >
> > >
> > > On Fri, Jun 08, 2018 at 04:48:06PM +0200, Arnd Bergmann wrote:
> > > > This function is no longer called, so we get a harmless
> > > > warning until it is removed as well:
> > > >
> > > > drivers/mfd/cros_ec_dev.c:265:13: error: '__remove' defined but not used [-Werror=unused-function]
> > > >
> > > > Fixes: 3aa2177e4787 ("mfd: cros_ec: Use devm_kzalloc for private data")
> > >
> > > Gwendal, in PATCH v2 of https://patchwork.kernel.org/patch/10439449/
> > > you mentioned that you readded the __remove to avoid a warning when built
> > > as a module. Can you explain what's going on?
> >
> > Yes please, and quickly. I'm going to sent the patch-set today. If I
> > don't hear from you promptly, I'll probably pull the patch!
> I readded it because when cros_ec_dev is loaded as module, I get a
> warning on dmesg when unloading:
>
> """Device 'cros_pd' [or 'cros_ec'] does not have a release() function,
> it is broken and must be fixed."""
>
> The warning comes from device_release(). Given I get a warning when I
> remove the release function or when I leave it empty. Let's pull the
> patch.

I already did. It's in Mainline. :)

--
Lee Jones [æçæ]
Linaro Services Technical Lead
Linaro.org â Open source software for ARM SoCs
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